Photosynthesis Measurement Instrument
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| Origin | Beijing |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | OTC-Auto |
| Price | USD 42,000 (FOB Beijing) |
| [Origin | Israel |
|---|---|
| Type | Imported |
| Manufacturer Role | Authorized Distributor |
| Model | PM-11z |
| Pricing | Available Upon Request] |
| Brand | PSI (Czech Republic) |
|---|---|
| Origin | Czech Republic |
| Model | PolyPen RP-410 |
| Spectral Range (UVIS) | 380–790 nm |
| Spectral Range (NIR) | 640–1050 nm |
| Spectral Resolution (FWHM) | 8 nm |
| Stray Light | –30 dB |
| Optical Aperture | 7 mm |
| Scan Time | ~100 ms |
| Display | 240 × 320 pixel color touchscreen (65,535 colors) |
| Memory | 32 MB (≥8,000 spectra) |
| ADC | 16-bit |
| Dynamic Range | 1:4,300 (high gain), 1:13,000 (low gain) |
| GPS | Integrated |
| Connectivity | USB + Bluetooth |
| Power | Rechargeable Li-ion battery |
| Battery Life | Up to 48 h continuous operation |
| Dimensions | 150 × 75 × 40 mm |
| Weight | 300 g |
| Enclosure | Splash-resistant housing |
| Operating Temperature | 0–50 °C |
| Storage Temperature | –20–70 °C |
| Calibration Standard (optional) | >99% Lambertian reflectance, UV–VIS–NIR flat-field (±1%) |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Model | IPS-1000 |
| CO₂ Range | 0–3000 ppmv |
| δ¹³C Precision | <0.2 ‰ @ 1 s, 0.03 ‰ @ 60 s |
| δ¹⁸O Precision | <0.2 ‰ @ 1 s, 0.03 ‰ @ 60 s |
| Brand | PSI |
|---|---|
| Origin | Czech Republic |
| Model | FluorCam Portable |
| CO₂ Range | 0–3000 ppm |
| CO₂ Resolution | 1 ppm |
| H₂O Range | 0–75 mbar |
| H₂O Resolution | 0.1 mbar |
| PAR Range | 0–3000 µmol·m⁻²·s⁻¹ |
| Leaf Chamber Temp | −5 to 50 °C (±0.2 °C) |
| Air Pump Flow | 100–500 mL/min |
| CO₂ Control | up to 2000 ppm |
| PAR Control | RGB LED up to 2400 µmol·m⁻²·s⁻¹, White LED up to 2500 µmol·m⁻²·s⁻¹ |
| Battery Life | up to 16 h (12 V / 7.5 Ah Li-ion) |
| Imaging Sensor | TOMI-2 CCD, 1360×1024 pixels, 16-bit A/D, 20 fps max |
| Imaging Area | 35×46 mm |
| Excitation Wavelengths | 620 nm (measuring light), 455/620/white (saturating & actinic light), 735 nm (far-red) |
| Spectral Response | 400–1000 nm |
| Quantum Efficiency | 70% at 540 nm |
| Read Noise | <12 e⁻ RMS |
| Full Well Capacity | >70,000 e⁻ (unbinned) |
| Data Interface | Gigabit Ethernet, Mini-B USB, RS232 |
| Display | 480×272 pixel WQVGA touchscreen |
| Storage | SD card (up to 32 GB) |
| Brand | PSI (Czech Republic) |
|---|---|
| Origin | Czech Republic |
| Model | FluorCam-96 |
| Measurement Principle | Dual-modality chlorophyll fluorescence imaging + fiber-optic dissolved oxygen sensing |
| Throughput | 96 parallel samples |
| Fluorescence Parameters | >50 including Fo, Fm, Fv/Fm, ΦPSII, NPQ, qL, ETR, Rfd, QY_Ln |
| Oxygen Measurement | Fiber-optic sensor, ±0.1% O₂ @ 1% O₂, 0.01% O₂ resolution, 10–20 Hz sampling rate |
| Chamber Material | Sterilizable transparent polystyrene |
| Dimensions (O₂ module) | 162 × 102 × 32 mm |
| Weight (O₂ module) | 670 g |
| Temperature Sensor | 0–50 °C, ±0.5 °C accuracy, 0.012 °C resolution |
| Pressure Sensor | 300–1100 mbar, ±6 mbar accuracy, 0.11 mbar resolution |
| Software | FluorCam v7.x with GLP-compliant audit trail, protocol editor, ROI-based kinetic analysis, signal averaging mode for low-biomass samples |
| Brand | PSI (Czech Republic) |
|---|---|
| Origin | Czech Republic |
| Model | Fyto-Panel |
| Dimensions | 27 × 81 cm or 27 × 41 cm |
| Maximum Photosynthetic Photon Flux Density (PPFD) | 2400 µmol·m⁻²·s⁻¹ at 50 cm |
| Spectral Channels | Cool White + Far-Red + Deep Red (standard) |
| LED Lifetime | 60,000–70,000 h |
| Power Consumption | 210 W (A), 360 W (B), 580 W (C), 600 W (MULTI) |
| Operating Temperature | 0–55 °C |
| Relative Humidity | 0–80% RH (non-condensing) |
| Control Interface | USB/RS-485 |
| Software Features | Programmable light regimes (duration, intensity, spectral composition, modulation waveforms), cloud cover simulation, dawn/dusk transition modeling, GLP-compliant audit trail (via Light Studio Pro) |
| Brand | PSI (Czech Republic) |
|---|---|
| Model | PlantPen PRI 210 / NDVI 310 |
| Measurement Principle | Dual-wavelength reflectance ratio spectroscopy |
| PRI Band | 531 nm & 570 nm (detection range: 500–600 nm) |
| NDVI Band | 635 nm (red) & 760 nm (NIR) (detection range: 620–750 nm) |
| PRI Calculation | (R₅₃₁ − R₅₇₀) / (R₅₃₁ + R₅₇₀) |
| NDVI Calculation | (Rₙᵢᵣ − Rᵣₑ ) / (Rₙᵢᵣ + Rᵣₑ ) |
| Data Storage | 100,000 measurements (16 MB internal flash) |
| Connectivity | Bluetooth 1.1 + USB 2.0 |
| GPS | Integrated |
| Display | Graphical LCD |
| Power | Rechargeable Li-ion battery (70 h continuous operation) |
| Dimensions | 135 × 65 × 33 mm |
| Weight | 188 g |
| Operating Temp. | 0–55 °C |
| Relative Humidity | 0–95% RH (non-condensing) |
| IP Rating | Sealed waterproof keypad |
| Brand | PSI (Czech Republic) |
|---|---|
| Origin | Czech Republic |
| Model | SpectraPen LM510 |
| Spectral Range | UVIS 340–780 nm or NIR 640–1050 nm (configurable) |
| FWHM | 7 nm |
| Stray Light | −30 dB |
| Wavelength Repeatability | ±0.5 nm |
| Integration Time | 5 ms – 10 s |
| Detector | 256-pixel linear CCD |
| Cosine Corrector | Integrated, orientation-selectable (H or V) |
| Display | 240×320 pixel color touchscreen |
| Memory | 16 MB (≥4,000 spectra) |
| GPS | Built-in |
| Connectivity | USB + Bluetooth |
| Battery Life | Up to 48 h continuous operation |
| Dimensions | 180 × 75 × 40 mm |
| Weight | 300 g |
| IP Rating | Splash-resistant housing |
| Operating Temperature | 0–50 °C |
| Storage Temperature | −20–70 °C |
| Data Output | Irradiance (μW·cm⁻²·nm⁻¹), Photosynthetic Photon Flux Density (PPFD) spectrum (μmol·m⁻²·s⁻¹·nm⁻¹), Illuminance (lux), PAR (μmol·m⁻²·s⁻¹), CIE 1931 chromaticity coordinates, CCT, CRI, vCIE, user-defined spectral integrals |
| Brand | PSI (Czech Republic) |
|---|---|
| Origin | Czech Republic |
| Model | SpectraPen SP110 |
| Spectral Range | SP110-UVIS: 340–780 nm |
| SP110-NIR | 640–1050 nm |
| Spectral Resolution (FWHM) | UVIS: 9 nm, NIR: 8 nm |
| Wavelength Repeatability | ±0.5 nm |
| Detector | 256-pixel linear CCD array |
| A/D Conversion | 16-bit |
| Dynamic Range | 1:4300 (high gain), 1:13000 (low gain) |
| Integration Time | 5 ms – 10 s |
| Display | 240×320 pixel TFT touchscreen (65,535 colors) |
| Onboard Memory | 16 MB (≥4000 spectra) |
| Power | Rechargeable Li-ion battery, USB-charged |
| Battery Life | Up to 48 h continuous operation |
| Dimensions | 150 × 75 × 40 mm |
| Weight | 300 g |
| Enclosure | Splash-resistant housing |
| Operating Temperature | 0–50 °C |
| Storage Temperature | −20–70 °C |
| Connectivity | USB 2.0 + Bluetooth 4.0 |
| Optical Interface | SMA905 connector, 0.22 NA single-fiber probe |
| Stray Light | −30 dB |
| Compliance | CE, RoHS |
| Optional Accessories | Cosine corrector (for irradiance measurement), 1-m fiber optic probe |
| Brand | Qubit |
|---|---|
| Origin | Canada |
| Model | Q-Box CO650 |
| CO₂ Analyzer Principle | Non-Dispersive Infrared (NDIR) |
| Gas Flow Mode | Open-flow, Closed-chamber Configuration |
| Flow Rate | 650 mL/min |
| CO₂ Measurement Range (Display) | 0–1999 ppm |
| CO₂ Accuracy | ±1 ppm (after calibration) |
| CO₂ Repeatability | ±1 ppm (under stable T/P) |
| Response Time (t₉₅) | ~25 s (at 250 mL/min) |
| Warm-up Time | ~5 min (at 22°C) |
| PAR Output | Up to 1200 µmol·m⁻²·s⁻¹ (white LED, leaf surface) |
| Leaf Chamber Volume | 9 mL |
| Chamber Dimensions | 3.0 × 5.3 × 25.5 cm (H×W×L) |
| Data Logger | 3 analog + 2 digital inputs, USB 2.0, 100 kS/s sampling rate |
| Operating Temp | 0–50°C |
| Storage Temp | −40–+70°C |
| Humidity Range | 5–90% RH (non-condensing) |
| Power | 12 V DC or 120 V AC/60 Hz adapter |
| Weight (Analyzer Unit) | 1.0 kg |
| Weight (Pump Unit) | 0.9 kg |
| Warranty | 1 year |
| Brand | Sable |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | CA-10 |
| Pricing | Upon Request |
| Brand | Shanda |
|---|---|
| Model | SD-FS800Z |
| Measurement Principle | Closed-path infrared gas analysis (IRGA) with dual-wavelength CO₂ sensor |
| CO₂ Range | 0–2000 ppm |
| CO₂ Resolution | ≤0.1 ppm |
| CO₂ Accuracy | ±1.5% of reading (temperature-compensated) |
| Air Temperature Range | −20 °C to +60 °C |
| Relative Humidity Range | 0–85% RH (non-condensing) |
| Leaf Temperature Sensor | Thermistor, ±0.2 °C accuracy |
| PAR (Photosynthetically Active Radiation) Sensor | Silicon photodiode, 0–3000 µmol·m⁻²·s⁻¹, ±5% |
| Flow Rate Control | Adjustable 0–1.0 L·min⁻¹, stability ±1% FS |
| Power Supply | Rechargeable 8.4 V DC Li-ion battery, 15 h continuous operation (no external light source) |
| Display | 3.5″ TFT color LCD, 800×480 resolution |
| Data Storage | Internal 16 GB flash memory (expandable to 32 GB) |
| Interface | USB 2.0 for data export |
| Dimensions | 260 × 260 × 130 mm |
| Weight | 3.25 kg |
| Leaf Chamber Standard Size | 55 × 20 mm (customizable) |
| Operating Environment | −20 °C to +60 °C, 0–85% RH |
| Brand | SIELINS |
|---|---|
| Model | XLZ-3091 |
| CO₂ Measurement Principle | Non-dispersive Infrared (NDIR) |
| CO₂ Range | 0–1000 ppm |
| CO₂ Resolution | 0.1 ppm |
| CO₂ Accuracy | ±3 ppm |
| Relative Humidity Range | 0–100% RH (non-condensing) |
| Power Supply | 6 V DC, rechargeable Ni-MH battery |
| Operating Duration | 5–8 hours per charge |
| Data Storage Capacity | 3000 measurements |
| Data Interface | USB |
| Measurement Mode | Closed-loop gas exchange system |
| Units for Photosynthetic Rate | µmol CO₂·m⁻²·s⁻¹ |
| Brand | Solar Light |
|---|---|
| Origin | USA |
| Model | PMA2132 |
| Spectral Range | 400–700 nm |
| Cosine Response Error | ≤5% up to 80° incidence angle |
| Full-Scale Range | 20,000 µE·s⁻¹·m⁻² |
| Resolution | 0.1 µE·s⁻¹·m⁻² |
| Operating Temperature | −40 to +50 °C |
| Temperature Coefficient | <0.15 %/°C |
| Housing | IP67-rated sealed enclosure |
| Dimensions | 40.6 mm diameter × 45.8 mm height |
| Weight | 200 g |
| Cable | Standard 15 m (optional retractable 0.3 m) |
| Origin | Europe |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TL200/PMT |
| Price | Upon Request |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | TP-3051D |
| CO₂ Range | 0–2000 µmol/mol (ppm), Resolution: 0.01, Accuracy: ≤3% FS |
| Ambient Temp | 0–50 °C, Res: 0.01 °C, Acc: ±0.3 °C |
| Leaf Chamber Temp | 0–50 °C, Res: 0.01 °C, Acc: ±0.3 °C |
| Ambient RH | 0–100% RH, Res: 0.01% RH, Acc: ±5% RH |
| Chamber RH | 0–100% RH, Res: 0.01% RH, Acc: ±5% RH |
| Leaf Surface Temp | 0–50 °C, Res: 0.01 °C, Acc: ±0.2 °C |
| PAR | 0–2500 µmol·m⁻²·s⁻¹, Res: 0.01, Acc: ±5 µmol·m⁻²·s⁻¹ |
| Pn, Gs, Tr, Ci, WUE | Resolution 0.01 |
| Operating Environment | 0–40 °C, ≤75% RH (non-condensing) |
| Power | DC 8.4 V Li-ion battery, 7–9 h continuous operation |
| Data Storage | 2 GB SD card |
| Dimensions | 260 × 260 × 130 mm |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TP-3051D |
| CO₂ Concentration Range | 0–2000 µmol/mol (ppm), Resolution: 0.01 µmol/mol, Accuracy: ≤±3% FS |
| Ambient Temperature Range | 0–50 °C, Resolution: 0.01 °C, Accuracy: ≤±0.3 °C |
| Leaf Chamber Temperature Range | 0–50 °C, Resolution: 0.01 °C, Accuracy: ≤±0.3 °C |
| Ambient Humidity Range | 0–100% RH, Resolution: 0.01% RH, Accuracy: ≤±5% RH |
| Leaf Chamber Humidity Range | 0–100% RH, Resolution: 0.01% RH, Accuracy: ≤±5% RH |
| Leaf Surface Temperature Range | 0–50 °C, Resolution: 0.01 °C, Accuracy: ≤±0.2 °C |
| PAR (Photosynthetically Active Radiation) Range | 0–2500 µmol·m⁻²·s⁻¹, Resolution: 0.01 µmol·m⁻²·s⁻¹, Accuracy: ≤±5 µmol·m⁻²·s⁻¹ |
| Net Photosynthetic Rate (Pn), Stomatal Conductance (Gs), Transpiration Rate (Tr), Intercellular CO₂ Concentration (Ci), Instantaneous Water Use Efficiency (WUE) | All with 0.01 resolution |
| Operating Environment | 0–40 °C (optimal precision at 15–35 °C), ≤75% RH (non-condensing) |
| Power Supply | DC 8.4 V Li-ion battery, 7–9 h continuous operation |
| Data Storage | 2 GB SD card |
| Dimensions | 260 × 260 × 130 mm |
| Display | 320 × 240 pixel monochrome LCD with Chinese menu interface |
| Measurement Modes | Open-system and closed-system gas exchange |
| Flow Control | Integrated electronic mass flow meter |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TP-PM-1 |
| CO₂ Range | 0–2000 µmol/mol (ppm), Resolution: 0.001, Accuracy: ≤3% FS |
| Ambient Temp | 0–50 °C, Res: 0.001 °C, Acc: ±0.3 °C |
| Leaf Chamber Temp | 0–50 °C, Res: 0.001 °C, Acc: ±0.3 °C |
| Ambient RH | 0–100% RH, Res: 0.001% RH, Acc: ±5% RH |
| Chamber RH | 0–100% RH, Res: 0.001% RH, Acc: ±5% RH |
| Leaf Surface Temp | 0–50 °C, Res: 0.001 °C, Acc: ±0.2 °C |
| PAR | 0–2000 µmol/(m²·s), Res: 0.001, Acc: ±5 µmol/(m²·s) |
| Net Photosynthetic Rate (Pn) | µmol/(m²·s), Res: 0.001 |
| Stomatal Conductance (Gs) | mol/(m²·s), Res: 0.001 |
| Transpiration Rate (Tr) | mmol/(m²·s), Res: 0.001 |
| Intercellular CO₂ (Ci) | µmol/mol, Res: 0.001 |
| Instantaneous Water Use Efficiency (WUE) | dimensionless, Res: 0.001 |
| Brand | WALZ |
|---|---|
| Origin | Germany |
| Model | GFS-3000 |
| CO₂ Analyzer Range | 0–5000 ppm (resolution: 0.01 ppm) |
| H₂O Analyzer Range | 0–75,000 ppm (resolution: 0.01 ppm) |
| CO₂ Noise (absolute mode) | < 0.2 µmol mol⁻¹ |
| H₂O Noise (absolute mode) | < 30 µmol mol⁻¹ |
| Pressure Range | 60–110 kPa (accuracy: ±0.1%) |
| Flow Rate | 0–1500 µmol s⁻¹ (accuracy: ±1%) |
| PAR Sensors | 3-channel (ambient, leaf adaxial, leaf abaxial) |
| range | 0–2500 µmol m⁻² s⁻¹ |
| LED Light Source | Red (650 nm, 92%) + Blue (470 nm, 8%) |
| Leaf Area Options | 1–12.5 cm² (standard: 8 cm²) |
| Leaf Chamber Volume | 40 mL |
| Operating Temperature | −5 °C to +45 °C |
| Leaf Temperature Measurement | −10 °C to +50 °C (±0.2 °C) |
| Chamber Temperature Control | 3 modes (ambient-following, fixed chamber temp, fixed leaf temp) |
| range | −10 °C to +50 °C |
| Power Supply | 14.4 V / 6.7 Ah rechargeable eSMART battery (96 Wh) |
| Max Power Consumption | 5 W |
| Brand | WALZ |
|---|---|
| Origin | Germany |
| Model | MINI-PAM-II |
| Measurement Light | Blue LED (470 nm) or Red LED (655 nm), 0.05 µmol·m⁻²·s⁻¹ |
| Actinic Light | Blue or Red LED, up to 3000 µmol·m⁻²·s⁻¹ continuous |
| Saturation Pulse | Blue or Red LED, up to 6000 µmol·m⁻²·s⁻¹ flash |
| Far-Red Light | Peak emission at 740 nm |
| Detection | PIN photodiode with long-pass/short-pass filters and lock-in amplifier |
| Data Storage | 8 MB SD card (≈27,000 datasets) |
| PAR Range | 0–7000 µmol·m⁻²·s⁻¹ |
| Leaf Temperature Range | −20 to +60 °C |
| Relative Humidity Range | 0–100 %RH |
| Power Supply | 6 × AA rechargeable batteries (1.2 V / 2 Ah), supports ≥1000 saturation pulses per charge |
| Measured Parameters | Fo, Fm, F, Fm′, Fo′, Fv/Fm, Y(II) [ΔF/Fm′], qP, qL, qN, NPQ, Y(NPQ), Y(NO), rETR, PAR, leaf temperature, relative humidity |
| Sample Interface | 2035-B leaf clip (1 cm² measurement area, 60° fiber angle, 8 mm working distance) with integrated temperature and humidity sensors |
| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | YP-GHA |
| Price | USD 2,750 (approx.) |
| CO₂ Measurement Range | 0–3000 μmol/mol (ppm) |
| CO₂ Accuracy | ≤3% Full Scale (FS) |
| Brand | Zealquest AI Netherlands |
|---|---|
| Origin | Netherlands |
| Model | PLS-10R |
| Measurement Mode | Automated Continuous Monitoring |
| Leaf Chamber Type | Motorized Auto-Opening/Closing |
| Number of Chambers | Multi-channel (Configurable) |
| Chamber Area | 10 cm² (Circular, Rectangular Optional) |
| Operating Temperature | 5–50 °C |
| IP Rating | IP53 |
| Communication | Wireless (IEEE 802.15.4 / LoRaWAN compatible) |
| Data Logging Interval | Configurable from 1 s to 24 h |
| Supported External Sensors | PAR (0–2000 µmol·m⁻²·s⁻¹), Air Temp/RH, Leaf Temp (±0.15 °C), Stem Diameter Change (0.002 mm resolution), Fruit Growth (0.019–0.065 mm resolution), Sap Flow, Soil Moisture/Temperature/EC, Total Solar Radiation |
| Brand | Zealquest AI Netherlands |
|---|---|
| Origin | Netherlands |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | PTM-NG26 |
| Pricing | Upon Request |
| Brand | Zealquest |
|---|---|
| Origin | UK (ADC BioScientific) |
| Model | LCi T |
| CO₂ Range | 0–2000 ppm (1 ppm res.) |
| H₂O Range | 0–75 mbar (0.1 mbar res.) |
| PAR Range | 0–3000 µmol·m⁻²·s⁻¹ |
| Leaf/Chamber Temp | −5 to 50 °C (±0.2 °C) |
| Flow Control | 68–340 µmol·s⁻¹ |
| Display | WQVGA color touch LCD |
| Data Storage | SD card (up to 32 GB) |
| Battery | 12 V / 2.8 Ah lead-acid (≈10 h operation) |
| Dimensions (main unit) | 240 × 125 × 140 mm |
| Weight (main unit) | 2.4 kg |
| GPS | Integrated |
| Compliance | ASTM E2912, ISO 17025-aligned measurement architecture, GLP-compliant data logging with timestamped audit trail |
| Brand | Zealquest |
|---|---|
| Origin | Israel (manufactured by OLAN Ltd.) |
| Model | PTM-50 |
| CO₂ Measurement Range | 0–1000 ppm |
| CO₂ Exchange Range | −70 to +70 µmol CO₂·m⁻²·s⁻¹ |
| H₂O Exchange & Transpiration | Continuous |
| Leaf Chamber Type | Automated Opening/Closing |
| Number of Chambers | Configurable (2, 3, or 4) |
| Chamber Area | 10 cm² |
| Measurement Cycle Time | 20 s per chamber |
| Sampling Interval | 5–120 min (user-defined) |
| Airflow Control | 0.25–0.5 LPM (adaptive) |
| PAR Sensor Range (RTH-50) | 0–2000 µmol·m⁻²·s⁻¹ |
| Operating Temperature | 10–40 °C |
| IP Rating | IP55 |
| Communication | Integrated 2.4 GHz RF + Optional 3G Module |
| Power Supply | 9–24 VDC |